Block Senders in Outlook Web App. Last updated on: 2018-01-15. Authored by: William Loy This article describes how to automatically mark senders as junk through the Outlook Web App interface.
![How to block a sender in outlook for mac mac How to block a sender in outlook for mac mac](/uploads/1/2/5/5/125523448/923020399.png)
Another way to add a contact to your Safe list is to right click a message, click Junk and choose one of the options: Never Block Sender's Domain, Never Block Sender or Never Block this Group or Mailing List.
If you need to safelist a sender, see. Prerequisites. Applies to: User. Difficulty: Easy. Time needed: Approximately 15 minutes for change to complete.
Tools Required: Mailbox access For more information about prerequisite terminology, see. Block Senders Warning: Outlook Web App does not include a setting to reject senders. It only automatically marks blocked senders as junk.
Administrators can reference for instructions on how to reject senders. Log in to your Exchange mailbox at. Click the gear icon in the upper right-hand corner, and then select Options from the drop down menu. In the Options menu, click Mail Accounts Block or Allow. Enter the email address or domain of the sender that you want to automatically mark as junk. Click Save.
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Note: You can restore any of the mail that is in the Junk email folder. Click the message that you want to move to the Inbox folder, and then on the Home tab, click Junk, and then click Not Junk. Unblock a sender on non-Exchange based accounts. In the Outlook menu bar select Tools Junk Email Preferences.
Note: If Junk Email Preferences is grayed out your account may be hosted by Exchange. See Unblock a sender on Exchange based accounts below.
On the Blocked Senders tab, select the email address or domain you want to unblock, and choose Remove the selected sender button. Unblock a sender on Exchange based accounts Exchange accounts, like Outlook.com or your work email account hosted by Exchange, do not have access to the Junk Mail Preferences. For those accounts junk mail filtering is handled on the Exchange server and is not a client option. To remove a blocked sender see.